Liquid Assets tells the story of essential infrastructure systems: water, wastewater, and stormwater. Out of sight, beneath our feet, these systems are in disrepair across the country. Fixing them may be the largest public works project in our history. http://liquidassets.psu.edu/
This video tutorial from IDModeling demonstrates how to display a ground model and your network in a 3D view using Wallinford Software's InfoWorks. This is a great way to quickly identify inaccurate invert elevations, missing data, and other data anomalies.